APA-viite (7. p.)
ebrary, Inc, Sagarin, R. D., & Taylor, T. (2008). Natural security: A Darwinian approach to a dangerous world. University of California Press.
Chicago-viite (17. p.)
ebrary, Inc, Raphael D. Sagarin, ja Terence Taylor. Natural Security: A Darwinian Approach to a Dangerous World. Berkeley: University of California Press, 2008.
MLA-viite (9. p.)
ebrary, Inc, et al. Natural Security: A Darwinian Approach to a Dangerous World. University of California Press, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.